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ANSI/ASHRAE/IES Standard 90.1-2022 Performance Rating Method Reference Manual [PDF]

Document Number(s)
PNNL-36136
Document Type(s)
Other
Publication Date
Document Abstract

This document is intended to be a reference manual for the Appendix G Performance Rating Method (PRM) of ANSI/ASHRAE/IES Standard 90.1-2022 (Standard 90.1-2022). The PRM can be used to demonstrate compliance with the standard and to rate the energy efficiency of commercial and high-rise residential buildings with designs that exceed the requirements of Standard 90.1.

ANSI/ASHRAE/IES Standard 90.1-2022: Energy Savings Analysis [PDF]

Document Type(s)
Analysis
Technical Support Document
Publication Date
Document Abstract

Standard 90.1-2022 was published in January 2023, triggering the statutorily required DOE review process. To meet the statutory requirement, DOE conducted a technical analysis to evaluate and quantify the expected energy savings associated with Standard 90.1-2022. This report documents the methodology, technical analysis, and findings supporting DOE’s determination on Standard 90.1-2022.

Arkansas Residential Energy Code Field Study [PDF]

Document Number(s)
PNNL-26546
Document Type(s)
Field Study
Reports and Studies
State-specific
Publication Date
Document Abstract

A research project in the State of Arkansas investigated the energy code-related aspects of unoccupied, newly constructed, single family homes across the state. The study followed a DOE-prescribed methodology, which allowed the project team to build an empirical data set based on observations made directly in the field.

ASHRAE Standard 90.1 Performance Rating Method (Appendix G) Building Performance Factor Calculation Tool [XLSX]

Document Type(s)
Other
Publication Date
Document Abstract

This calculator can be used to develop a custom set of Building Performance Factors (BPFs) for use with the Performance Rating Method of ASHRAE Standard 90.1-2016 though 2022 when approved by the Authority Having Jurisdiction or Rating Authority. BPFs are calculated using metrics of energy cost, site energy, source energy, and greenhouse gas emissions following  the approach described in ASHRAE Standard 90.1-2022 Informative Appendix I. The BPF values published in ASHRAE Standard 90.1 use energy cost, source energy and GHG emissions factors that are based on representative national average values. Jurisdictions can use this tool to better align BPF values with local values. Where a jurisdiction requires the use of hourly or other time of use data to calculate energy costs, emissions or source energy, calculate and enter values representing the annual blended or annual average values.

In addition to calculating BPFs analogous to those published in the various editions of the standard, the tool also calculates alternative BPFs using an updated approach described in he PNNL Technical Support Document titled, "​Commercial Building Prototypes Based on ANSI/ASHRAE/IES Standard 90.1-2019 Appendix G PRM". The intent is that a jurisdiction or rating authority may choose to adopt BPFs using the updated approach, as the authors believe these to be more technically sound.

Baseline Field Study Results Presentation [PDF]

Document Type(s)
Field Study
Presentation Slides
Reports and Studies
Publication Date
Document Abstract

Presentation slides from a 12/7/15 webinar that provided an overview of the U.S. Department of Energy Building Energy Codes residential field study, including methodology, sampling and current status. Data gathered across 10 states were reviewed, followed by a summary of initial findings that can inform future education & training activities. The potential savings associated with these activities were also be presented, which are of interest to government agencies, utilities and other entities.

BC3 Cost Data [XLSX]

Document Type(s)
Analysis
Publication Date
Document Abstract

The BC3 data, as referenced in the methodology for conducting national and custom state-level analyses, was originally available as a web-based database, but has now been archived and made available as a spreadsheet. This spreadsheet represents the complete contents of the BC3 database.

BECP Activities Framework [PDF]

Document Type(s)
Other
Publication Date
Document Abstract

U.S. Department of Energy Building Energy Codes Program (BECP) Activities Framework: Vision, Mission, Strategies.

Building Energy Codes and Grid-Interactive Efficient Buildings [PDF]

Document Number(s)
PNNL-28605
Document Type(s)
Reports and Studies
Publication Date
Document Abstract

Grid-interactive efficient buildings (GEBs) combine efficiency and demand flexibility with smart technologies and communication to provide occupant comfort and productivity while serving the grid as a distributed energy resource (DER). This report includes an overview of relevant BTO research efforts to inform and guide the addition of GEB considerations in the model energy code.

Building Energy Codes Resource Guide: Air Leakage [PDF]

Document Number(s)
PNNL-82900
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide is a resource for understanding the air leakage requirements in the 2012 IECC and suggestions on how these measures can be met. It also provides information from Building America’s Air Sealing Guide, best Practices and case studies on homes that are currently meeting the provisions. The 2012 IECC and a few International Residential Code requirements are referenced throughout the guide.

Building Energy Codes Resource Guide: Code Officials Edition [PDF]

Document Number(s)
PNNL-SA-75501
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide includes practical plan review and inspection resources, including the U.S. Department of Energy Building Energy Codes Program's REScheck™ and COMcheck™ quick reference guides, case studies, and sample inspection checklists; as well as excerpts from International Code Council's commentaries, workbooks, and code companion materials.

This collection also includes many other helpful items and points to further resources available on the web. Residential and commercial building officials can easily add state and local guidance in order to use this binder as a one-stop resource to support compliance in the field.

Building Energy Codes Resource Guide: Commerical Buildings for Architects [PDF]

Document Number(s)
PNNL-82940
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide provides key information on energy codes tailored for architects and provides guidance on how they can support the adoption of new or updated energy codes and the resources needed to ensure compliance with what is adopted. The guide also includes information on the importance of architects in the development and compliance verification processes; information on the interface between codes and the design process; design and compliance tools; information on building construction and commissioning, and many other resources that are key to helping architects understand the important role energy codes through the design process play in addressing our energy, economic and environmental challenges.

Building Energy Codes Resource Guide: Going Beyond Code [PDF]

Document Number(s)
PNNL-SA-83070
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide is designed to help state and local governments design and implement successful "beyond code" programs for new commercial and residential buildings. The goal is to help states and localities establish voluntary or mandatory programs that go well beyond traditional minimum code requirements for new buildings.

Building Energy Codes Resource Guide: HVAC Controls Guide for Plans Examiners and Building Inspectors [PDF]

Document Number(s)
PNNL-83271
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide provides an aid that will make it easier to apply the heating, ventilation, and air conditioning (HVAC) control requirements found in building energy codes and addresses requirements defined by 2009 and 2012 editions of the International Energy Conservation Code (IECC) and ASHRAE Standard 90.1-2007 and ASHRAE Standard 90.1-2010.

Building Energy Codes Resource Guide: Lighting Development, Adoption, and Compliance [PDF]

Document Number(s)
PNNL-SA-90653
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide provides information for anyone dealing with a lighting energy code or standard. It provides background and development information to help readers understand the basis for requirements and their intent. The guide also provides detailed explanations of the major types of requirements such that users can more effectively design to meet compliance while applying the most flexibility possible.

Building Energy Codes Resource Guide: Policy Makers Edition [PDF]

Document Number(s)
PNNL-81023
Document Type(s)
Resource Guide
Publication Date
Document Abstract

This guide provides key information to policy makers on energy codes and standards and offers guidance on how policy makers can support the creation of statewide energy efficiency goals and standards. In addition, this guide instructs policy makers on how they can:

  • Encourage the adoption of statewide codes.
  • Establish energy code awareness programs.
  • Support enforcement of and compliance with energy codes.
  • Participate in the development of model codes and standards.
  • Determine the viability of the new code.